Chapter 5.5, Problem 2TTO

a.

To determine

The property illustrated by $-2\left(3+5\right)=-6-10$.

b.

To determine

The property illustrated by $127\times 1=127$.

c.

To determine

The property illustrated by $18+\left(-18\right)=0$.

d.

To determine

The property illustrated by $\left(-5\cdot 1+3\cdot 2\right)+4\cdot 7=-5\cdot 1+\left(3\cdot 2+4\cdot 7\right)$.

e.

To determine

The property illustrated by $\frac{2}{3}\cdot \frac{4}{5}=\frac{4}{5}\cdot \frac{2}{3}$.